Patent US2961475A successfully refreshed from Google Patents.
US2961475A
Expired / Lapsed
US
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Solid-state charge carrier valve
Assignee: RCA Corp
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Filing: 1957-05-29
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Granted: 1960-11-22
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Expires: 1977-05-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry S Sommers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:33
CPC Classifications
H; H10; H10N; H10N10/00; G; G01; G01R; G01R33/00; G01R33/02; G01R33/06; H10D; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |